What does a Data Scientist salary really buy you in Washington?
Washington is 9.8% pricier than the US averageData: BLS OEWS 2024 + BEA Regional Price Parities 2022 • Updated 2026-03-31
Washington's Regional Price Parity (RPP) is 109.8, meaning prices are 9.8% higher the national average. A Data Scientist earning $158,760 in Washington has the equivalent purchasing power of $144,590 in an average-cost US state.
Every dollar goes further in low-cost states. Here is how each salary percentile compares after adjusting for Washington's cost of living.
| Percentile | Nominal Salary | COL-Adjusted | Difference |
|---|---|---|---|
| 10th Percentile (P10) | $92,680 | $84,408 | $-8,271 |
| 25th Percentile (P25) | $108,530 | $98,843 | $-9,686 |
| Median (P50) | $158,760 | $144,590 | $-14,169 |
| 75th Percentile (P75) | $199,620 | $181,803 | $-17,816 |
| 90th Percentile (P90) | $226,760 | $206,520 | $-20,239 |
While $158,760 sounds high, Washington's elevated cost of living erases 9% of that salary's purchasing power. Your real buying power is $144,590. Consider whether the higher pay offsets the higher costs.
Where does Data Scientist salary stretch the furthest? Top 10 states ranked by COL-adjusted median salary.
Washington ranks #1 out of 49 states for Data Scientist after cost-of-living adjustment.
Some links are affiliate links. See our disclosure.
A Data Scientist in Washington earns a median salary of $158,760 per year. After adjusting for Washington's cost of living (RPP=109.8), the real purchasing power is $144,590 — a -8.9% difference.
Washington's cost of living is 9.8% higher than the national average according to the BEA Regional Price Parities (2022). The RPP index for Washington is 109.8 (US average = 100).
Regional Price Parities (RPPs) are price indexes published by the U.S. Bureau of Economic Analysis (BEA) that measure differences in price levels across states. They are expressed as a percentage of the national average (US = 100). Higher RPP means higher cost of living.
The adjusted salary is calculated as: Nominal Salary x (100 / RPP). For a Data Scientist in Washington: $158,760 x (100 / 109.8) = $144,590. This represents what the salary would be worth in a state with average living costs.
Partially — a Data Scientist's nominal salary of $158,760 in Washington has 8.9% less purchasing power due to higher living costs. The real value is $144,590. However, Washington may offer better career opportunities, networking, and industry access.